The Bank of Japan's monetary easing aims at reflating the economy.
A direct loanword for 'reflation', often used in economic contexts. 景気浮揚 is the native Japanese equivalent, more literally 'economic uplift'.
Means 'economic stimulus' more broadly, while 景気浮揚 specifically implies reflationary policies to raise price levels.
Compound of 景気 (economy, business conditions) and 浮揚 (floating, uplifting). The term is a modern economic coinage, likely influenced by the English 'reflation'.